Countersink 90° Tungsten Carbide Rotary Burrs SK-5M Single Cut For Right Angle Chamfers

The SK-5M carbide rotary burr features a single‑cut design and a 90° countersink shape, developed specifically for vertical countersinking, right‑angle chamfering, and hole‑edge finishing. Its 90° tapered structure accurately matches standard countersink requirements, while the single‑cut profile helps achieve a smooth, even chamfer surface while maintaining machining accuracy.

This tool is suitable for creating right‑angle countersinks, edge deburring, and rough hole‑edge finishing on materials such as carbon steel, alloy steel, and stainless steel. The single‑cut design provides good chip evacuation and helps reduce the risk of material adhesion during machining.

Compatible with common electric and pneumatic tools, it is simple to operate and maintain. Widely used in assembly‑hole machining, mold right‑angle chamfering, weld‑groove pre‑processing, and standard vertical‑countersink production, this is a purpose‑built, reliable rotary burr designed for vertical countersinking applications.

Caburtech offers a wide selection of carbide burr shapes in Single and Double Cut styles, including Cylinder, Round nose cylinder, Ball, Oval, Tree, Flame, Cone, Countersink and Inverted Cone. Each shape is designed for grinding, deburring, chamfering, and finishing on steels under 60 HRC, stainless steels, cast iron and etc.

FAQ

1.How to Use:

This product belongs to the commonly used alloy consumables, and is designed to be used with high-speed electric grinders or pneumatic tools.

2.OEM:

We offer OEM services to cater to specific customer requirements.

3.MOQ:

The usual minimum order quantity is 100 pcs per model.

However, this can be adjusted based on your specific requirements. Please consult your sales representative for further details.

4.Lead Time:

The lead time for regular orders is approximately one month, excluding samples.

5.Port:

Shanghai/ Guangzhou/ Shenzhen/ Ningbo/ Yiwu/ Chengdu.